chore(deps): update actions/download-artifact digest to 9c19ed7

Author: renovate[bot]

.github/workflows/build.yml

@@ -201,7 +201,7 @@ jobs:
           fetch-depth: 0
 
       - name: Download wheels and sdist
-        uses: actions/download-artifact@8caf195ad4b1dee92908e23f56eeb0696f1dd42d # v4
+        uses: actions/download-artifact@9c19ed7fe5d278cd354c7dfd5d3b88589c7e2395 # v4
         with:
           path: wheels
           merge-multiple: true